SC-902
Filtration
Lower Sec Science · Secondary 1 · Medium · Filtration
A student wants to separate a mixture of sand and salt dissolved in water. She first filters the mixture, then heats the filtrate to obtain solid salt. Which separation techniques has she used, in the correct order?
- filtration, then evaporation to dryness
- filtration, then distillation
- evaporation to dryness, then filtration
- distillation, then filtration
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